Liquid-measure



(N6 Model.)

- H.-E. MARGHAND.

LIQUID MEASURE.

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UNITED STATES PATENT OFFIcE.

HENRY E. MARGHAND, OF PITTSBURG, ASSIGNOR OF TWO-THIRDS TO WIL- LIAM J. BEGKFELD AND JACOB O. LANGE, SR, BOTH ()F ALLEGHENY,

PENNSYLVANIA LIQUID-MEASURE.

SPECIFICATION'forming part of Letters Patent No. 245,188, dated August 2, 1881.

v Application filed June 9, 1851. (No model.)

To all whom it may concern Be it known that I, HENRY E. MARCHAND,

a citizen of the United States, residing at Pittsburg, in the county of Allegheny, Stateof Pennsylvania, have invented new and usefulImprovements in Liquid-Measures, of which the following is a specification.

This inventionrelates to automatic liquidmeasures, the object being to provide an ap- 1o paratus which, whenset for operation, will receive and discharge a definite predeterminatc quantity of liquid without the necessity of the liquid being handled by the operator, thus avoiding the usual disagreeable liability of into the reservoir, and is adapted to swing therein as the key is turned, so as to raise or.

lower its upper end,- whereby the liquid con.

2 5 tained in the reservoir is drawn off to the level of the upper-end of said tube in any definite quantity, as indicated upon a dial attached to the outer part of the reservoir; second, in the combination, with a measuring-reservoir having in its lower part a cylindrical shell or casing provided with suitable ports or passages, of a hollow key-plug having openings arranged at right angles to alternately correspond with the ports in the lower side of said 3 5 casing, and, further, provided with a tube projecting through a suitable opening into the reservoir, and adapted to turn with the keyplug, so as to permit the liquid to'escape through its upper end to the level of the ino clination at which the tube is turned, as hereinafter more fully set forth.

In the annexed drawings, which fully illustrate the invention, Figure 1 is a vertical 1ongitudinal section. Fig. 2 is a vertical trans' 5 verse section. Fig. 3 is a front view. Fig. 4. is a view of the hollow key-plug provided with projecting tube. Fig. 5 is a longitudinal section of the same, and Fig. 6 is a cross-section.

Similar letters of reference indicate corresponding parts in the several views.

The letter A represents a measuring chamber orreservoir, which may be constructed of any suitable material and in any convenient form. This reservoir is provided at its lower central part with a cylindrical shell or casing, B, which may project slightly below the lower surface of the reservoir, with which it communicates through the o iening or passage a.

At the lower part of the shell or casing B is an inlet-port, b, and anoutlet-port, c, the o0 first being provided with a tube, b, having a flange or half-union, o to connect with any suitable source of supply, and the port 0 being connected with anoutlet-tube, 0, having a hook, 0 for attachingthe vessel to be filled. 6 Within the casing B is fitted a cylindrical .hollow key-plug, 0, having openings d c arranged near the opposite ends of the plug and at right angles to each other, so as to correspond alternately with the ports I) c. The hollow key-plug O is also provided with a tube,

D, which passes through the passage a into the reservoir. This tube colnmunicates'with the key-plug through an opening near the opening (I, but at an angle therewith. The

plug 0 is held in place within the casing B by the nut f and washer g, which bear against the flange or shoulder h at the rear ot'the reservoir or casing.

The shell or casin g B may be attached to the reservoirA by flanges i, or in any suitable manner, and carries at its front end a dial, E, which is secured to the front of the reservior by screws 0 c. This dial is suitably marked or graduated to represent the various quantities or divisions of liquid-measure, any of which may be indicated upon said dial by the index-hand G attached to the key-plug.

It will be observed that when thehollow keyplug 0 is arranged in the casing B in such po- 0 sition thatits openingecoincides with the inletport 11 oil or other liquid will pass from the source ofsupply into and through the plug to the tube D, which passes through the opening a into the reservoir. After the reservoir has 5 thus been filled, if the plug 0 is turned to the right, so as to close the inlet-port I), the opening (1 in the plug will gradually coincide with the outlet-port 0, so that the liquid in the reservoir may escape. When the plug is thus turned it carries with it the tube D, lowering its upper end, through which the liquid in the reservoir will now pass until it descends to the level of the top of the tube. By turning the key-plug to the right until its hand 0 indicates the required quantity upon the dial E it will be seen that any definite predeterminate quantity of liquid may be automatically measured without the disagreeable necessity of directly handling the same. It will be understood, of course, that in order to produce this result the length and diameter of the tube D must be made to correspond with the dimensions of the reservoir in such a way that by lowering orinclining the top of the tube adotinite distance the capacity of the reservoir above that point will be equal to the quantity of liquid required, as indicated upon the dial. By turning the plug C to the left of the center line the outlet-port cis closed and the inletport I) opened, so that the reservoir or measurhag-chamber will again fill.

Having thus described myinvention, what I claim as new, and desire to secure by Letters Patent, is-

1. An apparatus for measuringliquids, cousistiu g of a. measuring chamber or reservoir having in its lower part a cylindrical casing or shellprovided with an opening communicating above with the reservoir, and with an inlet and outlet port below, said casing being adapted to receive a hollow key plug provided with a tube which projects through the upper opening of the shell into the reservoir, wherein it turns with the key, which is further provided with openings that alternately coincide with the inlet and outlet ports of the shell, where by, when the key is turned in one direction, the reservoir or measuring chamber is filled through the inlet-port, hollow plug, and attached tube, and when it is turned in the opposite direction a definite predetermined quan tity ofliquid is withdrawn, as indicated upon a dial attached to the front of the reservoir, substantially as described.

2. In a liquid-measure, the combination, with a measuring-reservoir having in its lower part a cylindrical shell or casing provided with suitable ports or passages, of a hollow cylindrical key-plug having openings arranged at a right angle to alternately coincide with the ports in the lower side of said casing, and provided with a tube which projects through a suitable opening in the shell into the reservoir, and adapted to turn with the key-plug, whereby the reservoir is filled when the inletport is opened, and a definite predetermined quantity of liquid withdrawn, as indicated upon a dial, when the outlet-port is opened by turning the key, substantially as set forth.

3. In a liquid-measure, the combination, with a measuring chamber or reservoir, of a cylindrical shell or casing for a key-plug, said casihg being attached to the reservoir by suitable flanges, and having an opening commuuicat ing above with the reservoir, through which is passed a pipe or tube attached to a cylindrical key-plug, and provided below with an in let and outlet port, substantially as and for the purpose shown and described.

4. In a liquid-measure having a reservoir provided with a cylindrical shell or casing, a hollow cylindrical key-plug having an inlet and outlet opening arranged at a right angle to each other, and provided with a tube projecting at an angle from the body of the key and adapted to enter the reservoir, in which it turns with the key, whereby, when the key is turned in one direction, the reservoir will be filled from any suitable source of supply, and when the key is turned in the opposite direc tion a definite quantity of liquid will be withdrawn through the upper inclined end of the said tube and hollow key, substantially as set forth.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

H. E. MAROHAND.

Witnesses:

MARSHALL JOHNSTON. S. HARVEY THOMPSON, JOHN F. EDMUNDSON. 

